package day05;

//输出四种形式的九九乘法表
public class MultiTable {
    public static void main(String[] args) {
        for (int i = 1; i <= 9; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + "x" + i + "=" + j * i + "\t");
            }
            System.out.println();
        }
        System.out.println("=========");
        for (int i = 9; i >= 1; i--) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + "x" + i + "=" + j * i + "\t");
            }
            System.out.println();
        }
        System.out.println("=========");
        for (int i = 9; i >= 1; i--) {
            for (int j = 9; j >= i; j--) {
                System.out.print(j + "x" + i + "=" + j * i + "\t");
            }
            System.out.println();
        }
        System.out.println("=========");
        for (int i = 1; i <= 9; i++) {
            for (int j = 9; j >= i; j--) {
                System.out.print(j + "x" + i + "=" + j * i + "\t");
            }
            System.out.println();
        }
    }
}
